According to a brand new examine by Curtin University, Earth’s next supercontinent: Amasia, will kind when the Pacific Ocean closes in 200 to 300 million years. Scientists used a supercomputer to simulate how supercontinents kind.
They found- since the Earth has been cooling for billions of years, the plates that assist the oceans have gotten thinner and weaker over time. This makes it more difficult for the next supercontinent to kind by closing the “young” oceans, equivalent to the Atlantic or Indian oceans.
The Pacific Ocean is what has left of the Panthalassa tremendous ocean, which started to kind 700 million years in the past when the former supercontinent began to interrupt aside. Since the time of the dinosaurs, when it was at its largest, this ocean, the oldest one we’ve on Earth, has been steadily getting smaller.
It is at present shrinking by a number of centimeters per yr, and its present dimension of about 10 thousand kilometers is predicted to take 200 to 300 million years to shut.
Lead creator Dr. Chuan Huang, from Curtin’s Earth Dynamics Research Group and the School of Earth and Planetary Sciences, stated the new findings had been important and supplied insights into what would occur to Earth in the next 200 million years.
“Over the past 2 billion years, Earth’s continents have collided to form a supercontinent every 600 million years, known as the supercontinent cycle. This means the current continents will come together again in a couple of hundred million years.”
The new supercontinent has already been named Amasia as a result of some imagine that the Pacific Ocean will shut (versus the Atlantic and Indian oceans) when America collides with Asia. Australia can also be anticipated to play a job on this crucial Earth occasion, first colliding with Asia after which connecting America and Asia as soon as the Pacific Ocean closes.
“By simulating how the Earth’s tectonic plates are expected to evolve using a supercomputer, we were able to show that in less than 300 million years, it is likely to be the Pacific Ocean that will close, allowing for the formation of Amasia, debunking some previous scientific theories.”
Co-author John Curtin Distinguished Professor Zheng-Xiang Li, additionally from Curtin’s School of Earth and Planetary Sciences, stated that having the complete world dominated by a single continental mass would dramatically alter Earth’s ecosystem and surroundings.
“Earth as we know it will be drastically different when Amasia forms. The sea level is expected to be lower, and the vast interior of the supercontinent will be very arid with high daily temperature ranges,” Professor Li stated.
“Currently, Earth consists of seven continents with widely different ecosystems and human cultures, so it would be fascinating to think what the world might look like in 200 to 300 million years.”
- Chuan Huang et al, Will Earth’s next supercontinent assemble by the closure of the Pacific Ocean?, National Science Review (2022). DOI: 10.1093/nsr/nwac205
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